4144455 has 48 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 1854144.

The previous prime is 4144423. The next prime is 4144457. The reversal of 4144455 is 5544414.

It is not a de Polignac number, because 4144455 - 2⁵ = 4144423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18474 + ... + 18696.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^4144455 is an apocalyptic number.

4144455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4144455 is an abundant number, since it is smaller than the sum of its proper divisors (4242105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4144455 is a wasteful number, since it uses less digits than its factorization.

4144455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 297 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 4144455 is about 2035.7934571071. The cubic root of 4144455 is about 160.6284527916.

Adding to 4144455 its reverse (5544414), we get a palindrome (9688869).

The spelling of 4144455 in words is "four million, one hundred forty-four thousand, four hundred fifty-five".